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Finding the Fourth Proportional to 26,313, 39,473.96 and 11,521.56

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Solution

The fourth proportional to 26,313, 39,473.96 and 11,521.56 is: 17,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313 : 39,473.96 = 11,521.56 : x
  2. Step 2: Convert to fraction form
    26,313/39,473.96 = 11,521.56/x
  3. Step 3: Cross multiply
    26,313x = 39,473.96 × 11,521.56
  4. Step 4: Simplify right side
    26,313x = 454,801,598.58
  5. Step 5: Solve for x
    x = 454,801,598.58/26,313
  6. Step 6: Final answer
    x = 17,284.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.